package com.jxdinfo.hussar.activitidemo.utils;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

public class InterfacesUtil {
	public static String  interfaceUtil(String url,String parem) {
		 String result = "";
         BufferedReader in = null;
         try {
             String urlNameString = url+"?"+parem;
             URL realUrl = new URL(urlNameString);
             // 打开和URL之间的连接
             URLConnection connection = realUrl.openConnection();
             // 设置通用的请求属性
             connection.setRequestProperty("accept", "*/*");
             connection.setRequestProperty("connection", "Keep-Alive");
             connection.setRequestProperty("user-agent",
                     "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
             // 建立实际的连接
             connection.connect();
             // 获取所有响应头字段
             Map<String, List<String>> map = connection.getHeaderFields();
             // 遍历所有的响应头字段
             for (String key : map.keySet()) {
                 System.out.println(key + "--->" + map.get(key));
             }
             // 定义 BufferedReader输入流来读取URL的响应
             in = new BufferedReader(new InputStreamReader(
                     connection.getInputStream(),"utf-8"));
             String line;
             while ((line = in.readLine()) != null) {
                 result += line;
             }
             
         } catch (Exception e) {
             System.out.println("发送GET请求出现异常！" + e);
             e.printStackTrace();
         }
         // 使用finally块来关闭输入流
         finally {
             try {
                 if (in != null) {
                     in.close();
                 }
             } catch (Exception e2) {
                 e2.printStackTrace();
             }
         }
         return result;
	}
}
